When troubleshooting an event not triggering in ABAP, which method is useful?

When troubleshooting an event that is not triggering in ABAP, it is essential to verify multiple aspects of the event handling to identify the root cause of the issue. Each method mentioned contributes to a comprehensive troubleshooting process.

Firstly, ensuring that the handler method is registered correctly is crucial. If the method responsible for responding to the event is not properly linked or registered, the event will not be executed, and any logic within will not run.

Secondly, checking if the RAISE EVENT statement has a breakpoint can be helpful. Setting a breakpoint allows developers to pause execution when the event is raised, enabling them to inspect the program's state and verify that the event is being triggered correctly.

Lastly, confirming that the ON_EVT contains the desired logic ensures that the correct actions are executed once the event is triggered. If the logic is missing or incorrect, even if the event is successfully raised and handled, the expected outcome may not occur.

Together, investigating all of these areas provides a thorough approach to troubleshooting event-triggering issues in ABAP. Each method is interconnected, and overlooking any one of them could lead to unresolved problems in event handling. Thus, considering all these aspects is vital for effective troubleshooting.